Title kinda says it all. Dunno how an optical connection can crackle, but it does. Otherwise, sound in the UI is fine, it is just that really load and annoy Crkk
Edit.:
Seems the url was deleted too quickly.
When exactly does this happen? Before the GUI comes up or after?
When Kodi/OSMC loads I think. It is quite quick as you can here if you use the link above.